Bregolas served with the Elf-lords Angrod and Aegnor in the northern land of Dorthonion, and he was by their side when the forces of Angband launched the sudden and devastating attack that would become known as the Dagor Bragollach in F.A.455.[4] Bregolas died quickly in that assault, but his sons survived to join Barahir.[4] With Dorthonion under Morgoth's control, they became outlaws in the land of their father.[4]